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  5. 無患子籽仁萃取油對牙周炎的結紮誘導大白鼠模型之治療效果與微生物環境變化分析
 
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無患子籽仁萃取油對牙周炎的結紮誘導大白鼠模型之治療效果與微生物環境變化分析

Other Title
The treatment efficiency and microbiota analysis of Sapindus mukorossi seed oil in a ligature-induced periodontitis rat model
Type
thesis
Date Issued
2022-12-29
Author(s)
林士凱
Advisor
黃豪銘  
馮聖偉  
Subjects
系所名稱:牙醫學系博士班
Description
學位別:博士
語文別:中文
口試委員:黃豪銘 Huang, Haw-Ming;馮聖偉 Feng, Sheng-Wei;許明倫 Hsu, Ming-Lun;張維仁 Chang, Wei-Jen;柯淳涵 Ko, Chun-Han
授權範圍:網際網路,開放日期為2023-01-17
Abstract
牙周病是一種由口腔細菌失調所引起的口腔疾病。在牙周病的預防或治療方法上會使用抗菌劑來抑制病原菌的生長,但伴隨而來的是細菌耐藥性的增加。無患子籽仁萃取油已被證明具有抗菌和抗發炎的特性。 然而,目前還沒有研究來探討無患子籽仁萃取油應用在預防或治療牙周炎的可能性。本研究的目的是利用影像學、組織學和微生物菌落分析來評估無患子籽仁萃取油對大鼠臼齒牙周病之影響。從micro-CT的矢狀切面觀察牙骨質牙釉質交界 (CEJ) 到牙槽骨嵴頂 (ABC) 的距離變化後,我們發現在第十四天時實驗組(SM(+)組)和對照組(SM(-)組)之間的總骨質喪失量 (TB) 有顯著差異。在組織學上的結果也與影像學上的結果相吻合。在微生物菌落分析方面,我們比較了在第7天及第14天時門(phylum)和綱(class)水平上微生物菌落的變化。在門水平(phylum level)的分析上,變形菌門(Proteobacteria)、厚壁菌門(Firmicutes)、擬桿菌門(Bacteroidetes)和放線菌門(Actinobacteria)是優勢菌種。在第 7 天的箱型圖分析上,實驗組(SM(+)組)的厚壁菌門明顯少於對照組(SM(-)組)。在綱(Class)水平上,擬桿菌門(Bacteroidia)、γ-變形菌門(Gammaproteobacteria)、芽孢桿菌(Bacilli)、梭狀芽胞桿菌(Clostridia)和丹毒菌(Erysipelotrichia)等是優勢菌種。在第7天時,實驗組(SM(+)組)的結果可以發現芽孢桿菌(Bacilli)、梭狀芽孢桿菌(Clostridia)和丹毒菌(Erysipelotrichia)的組成顯著低於對照組(SM(-)組)。目前的結果中發現,在結紮誘導的大鼠牙周病模型中,局部應用無患子籽仁萃取油可以減少骨吸收並改變菌相組成。因此,我們推測無患子籽仁萃取油為一種預防口腔疾病的潛在材料。
URI
https://handle.ncl.edu.tw/11296/s93kq4
https://203.71.86.71/handle/123456789/10425

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